asp.net中的postback是怎么一回事？

Question

如题, 请问asp.net中的postback到底该怎么理解? google了很多, 但都不得要领; stackoverflow上也检索了很久, 还是不得要领.
plz help me and thanks in advance.

Answer 1

ASP.NET 页生命周期概述

Answer 2

http://stackoverflow.com/questions/4251157/what-is-a-postback

Answer 3

浅谈ASP.NET的Postback
http://www.cnblogs.com/artech/archive/2007/04/06/702658.html